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authorLars Hjemli <hjemli@gmail.com>2006-12-11 00:31:36 +0300
committerLars Hjemli <hjemli@gmail.com>2006-12-11 00:31:36 +0300
commit25105d7ecaba474d4b7c364ebb586aac3dfc5abb (patch)
tree8beb08db1399b8efb8c7fbcd936044ae7fc232e6 /git.h
parent856c026e221d8ed82c5b75bc8da4bd65e89ea953 (diff)
Add caching infrastructure
This enables internal caching of page output. Page requests are split into four groups: 1) repo listing (front page) 2) repo summary 3) repo pages w/symbolic references in query string 4) repo pages w/constant sha1's in query string Each group has a TTL specified in minutes. When a page is requested, a cached filename is stat(2)'ed and st_mtime is compared to time(2). If TTL has expired (or the file didn't exist), the cached file is regenerated. When generating a cached file, locking is used to avoid parallell processing of the request. If multiple processes tries to aquire the same lock, the ones who fail to get the lock serves the (expired) cached file. If the cached file don't exist, the process instead calls sched_yield(2) before restarting the request processing. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to 'git.h')
-rw-r--r--git.h60
1 files changed, 55 insertions, 5 deletions
diff --git a/git.h b/git.h
index 443f216..dfa3542 100644
--- a/git.h
+++ b/git.h
@@ -33,6 +33,26 @@
#include <time.h>
+/* On most systems <limits.h> would have given us this, but
+ * not on some systems (e.g. GNU/Hurd).
+ */
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
+#ifdef __GNUC__
+#define NORETURN __attribute__((__noreturn__))
+#else
+#define NORETURN
+#ifndef __attribute__
+#define __attribute__(x)
+#endif
+#endif
+
+
+extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
+
+
static inline char* xstrdup(const char *str)
{
char *ret = strdup(str);
@@ -108,9 +128,13 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
#define MINIMUM_ABBREV 4
#define DEFAULT_ABBREV 7
+extern int sha1_object_info(const unsigned char *, char *, unsigned long *);
extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
+extern int get_sha1(const char *str, unsigned char *sha1);
+extern int get_sha1_hex(const char *hex, unsigned char *sha1);
+extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
@@ -183,6 +207,21 @@ struct commit {
};
+struct commit *lookup_commit(const unsigned char *sha1);
+struct commit *lookup_commit_reference(const unsigned char *sha1);
+struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
+ int quiet);
+
+int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
+int parse_commit(struct commit *item);
+
+struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
+struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
+
+void free_commit_list(struct commit_list *list);
+
+void sort_by_date(struct commit_list **list);
+
/* Commit formats */
enum cmit_fmt {
CMIT_FMT_RAW,
@@ -197,13 +236,9 @@ enum cmit_fmt {
CMIT_FMT_UNSPECIFIED,
};
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date);
-struct commit *lookup_commit(const unsigned char *sha1);
-struct commit *lookup_commit_reference(const unsigned char *sha1);
-struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
- int quiet);
-
typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
typedef void* (*topo_sort_get_fn_t)(struct commit*);
@@ -306,6 +341,16 @@ enum color_diff {
+/*
+ * from git:refs.g
+ */
+
+typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data);
+extern int head_ref(each_ref_fn, void *);
+extern int for_each_ref(each_ref_fn, void *);
+extern int for_each_tag_ref(each_ref_fn, void *);
+extern int for_each_branch_ref(each_ref_fn, void *);
+extern int for_each_remote_ref(each_ref_fn, void *);
@@ -391,6 +436,11 @@ struct rev_info {
};
+extern void init_revisions(struct rev_info *revs, const char *prefix);
+extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
+extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
+
+extern void prepare_revision_walk(struct rev_info *revs);
extern struct commit *get_revision(struct rev_info *revs);